Inventaire macrophytes Le Gers en aval d'Aries Espenan
| Taxon | Code |
|---|---|
| Agrostis sp. | AGRSPX |
| Agrostis stolonifera | AGRSTO |
| Amblystegium fluviatile | AMBFLU |
| Amblystegium riparium | AMBRIP |
| Audouinella sp. | AUDSPX |
| Brachythecium rivulare | BRARIV |
| Calliergonella cuspidata | CAECUS |
| Carex sp. | CARSPX |
| Chiloscyphus polyanthos | CHIPOL |
| Cinclidotus riparius | CINRIP |
| Cladophora sp. | CLASPX |
| Conocephalum conicum | CONCON |
| Cratoneuron filicinum | CRAFIL |
| Equisetum arvense | EQUARV |
| Equisetum telmateia | EQUTEL |
| Fissidens crassipes | FISCRA |
| Glechoma hederacea | GLEHED |
| Glyceria sp. | GLYSPX |
| Helosciadium nodiflorum | HELNOD |
| Hildenbrandia sp. | HILSPX |
| Hygroamblystegium fluviatile | HYAFLU |
| Hygroamblystegium tenax | HYATEN |
| Impatiens glandulifera | IMPGLA |
| Jungermannia atrovirens | JUGATR |
| Juncus sp. | JUNSPX |
| Leptodictyum riparium | LEORIP |
| Lophocolea bidentata | LOPBID |
| Lycopus europaeus | LYCEUR |
| Lyngbya sp. | LYNSPX |
| Marchantia polymorpha | MACPOL |
| Melosira sp. | MELSPX |
| Mentha suaveolens | MENSUA |
| Nasturtium officinale | NASOFF |
| Oedogonium sp. | OEDSPX |
| Oscillatoria sp. | OSCSPX |
| Oxyrrhynchium hians | OXYHIA |
| Pellia endiviifolia | PELEND |
| Pellia sp. | PELSPX |
| Persicaria hydropiper | PERHYD |
| Persicaria maculosa | PERMAC |
| Persicaria mitis | PERMIT |
| Phalaris arundinacea | PHAARU |
| Phormidium sp. | PHOSPX |
| Plagiomnium ellipticum | PLIELL |
| Plagiomnium rostratum | PLIROS |
| Plagiomnium undulatum | PLIUND |
| Plantago lanceolata | PLNLAN |
| Potentilla reptans | POEREP |
| Polygonum hydropiper | POLHYD |
| Ranunculus repens | RANREP |
| Rhynchostegium riparioides | RHYRIP |
| Scrophularia auriculata | SCRAUR |
| Solanum dulcamara | SOADUL |
| Spirogyra sp. | SPISPX |
| Stigeoclonium sp. | STISPX |
| Stigeoclonium tenue | STITEN |
| Vaucheria sp. | VAUSPX |
| Veronica beccabunga | VERBEC |